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Poster: J.B. Nicholson Date: Jul 25, 2004 4:19pm
Forum: etree Subject: MiniDisc audio is proprietary and lossy.

No, MiniDisc uses the proprietary lossy compression scheme you named. MiniDiscs are not useful for archiving for this reason and because most people's audio MiniDiscs have to be recorded in real time (unlike data CDs, which are useful for short-term archiving, which can be burned far faster than real time).

The loss in data is like Ogg Vorbis, MP3, and Speex in that these algorithms all throw out data which, it is believed, you won't hear when you play back the data stream.

If you're looking for lossless archive-quality storage, I recommend FLAC because it is free software (which will *really* matter down the road). It also works quite well and can hold a lot of other data to describe the audio in addition to the audio itself. I hear that a future MiniDisc will be useful as a data disc and will hold uncompressed audio. Perhaps this will make MiniDiscs more suitable for high-quality recording and archiving.

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Poster: stevegolfer66 Date: Jul 26, 2004 10:12am
Forum: etree Subject: Re: MiniDisc audio is proprietary and lossy.

No, MiniDisc uses the proprietary lossy compression scheme you named. MiniDiscs are not useful for archiving for this reason

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Although I can't speak with respect to the rules and regulations of etree, I personally don't agree if this statement is rendering an opinion. As I stated in my direct response, if the only sources are a good sounding minidisc recording with good mics from FOB with low crowd noise versus a non-compressed 48kHz back of the theater recording using crappy mics, then I'd go for the MD recording 100% of the time. MD can render good sounding results, whereas MP3 has muddy bass pretty much 100% of the time.

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and because most people's audio MiniDiscs have to be recorded in real time (unlike data CDs, which are useful for short-term archiving, which can be burned far faster than real time).

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This is an inconvenience and is not unlike the vast majority of recording mediums anyway because of copy protection schemes that prevent true digital to digital rendering. So this is not a unique issue to minidisc.

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The loss in data is like Ogg Vorbis, MP3, and Speex in that these algorithms all throw out data which, it is believed, you won't hear when you play back the data stream.

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Disagree. MP3 sounds ALOT worse than good recorded minidisc. Again, the difference is that minidisc ATRAC recordings are typically the original recording, whereas MP3 are usually compressed versions of an original. I want the BEST sound AND highest quality original recording possible, regardless of what was used to obtain the recording. If a minidisc original sounds better than a non-compressed 48kHz recording, then it IS better, IMHO.

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If you're looking for lossless archive-quality storage, I recommend FLAC because it is free software (which will *really* matter down the road). It also works quite well and can hold a lot of other data to describe the audio in addition to the audio itself.

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With all due respect, this is a silly response. FLAC has nothing to do with the question. It is the compression scheme used to make big files about 50% smaller, without losing any data in the compression process. MP3 is not lossless compression. It has nothing to do with whether a recording is orininally recording using ATRAC or non-compressed data streaming. I master my minidisc recordings and use FLAC to distribute them, just like everybody else that uses non-compressed data streaming.

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I hear that a future MiniDisc will be useful as a data disc and will hold uncompressed audio. Perhaps this will make MiniDiscs more suitable for high-quality recording and archiving.

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This is definitely true.